newlib/winsup/cygwin/include/sys/ipc.h

53 lines
984 B
C

/* sys/ipc.h
Copyright 2001 Red Hat Inc.
Written by Robert Collins <rbtcollins@hotmail.com>
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifdef __cplusplus
extern "C"
{
#endif
#ifndef _SYS_IPC_H
#define _SYS_IPC_H
/* sys/types must be included before sys/ipc.h. We aren't meant to automatically
* include it however
*/
struct ipc_perm {
uid_t uid;
gid_t gid;
uid_t cuid;
gid_t cgid;
mode_t mode;
};
/* the mode flags used with the _get functions use the low order 9 bits for a mode
* request
*/
#define IPC_CREAT 0x0200
#define IPC_EXCL 0x0400
#define IPC_NOWAIT 0x0800
/* this is a value that will _never_ be a valid key from ftok */
#define IPC_PRIVATE -2
#define IPC_RMID 0x0003
#define IPC_SET 0x0002
#define IPC_STAT 0x0001
key_t ftok(const char *, int);
#endif /* _SYS_IPC_H */
#ifdef __cplusplus
}
#endif